centos7 ipython安装

##下载yum源(Centos 7 为例)
[root@localhost ~]# wget http://mirror.centos.org/centos/7/extras/x86_64/Packages/epel-release-7-11.noarch.rpm
##安装yum源
[root@localhost ~]# yum install -y epel-release-7-11.noarch.rpm
##安装sl命令（小火车）
[root@localhost ~]# yum install -y sl
##安装ipython命令
[root@localhost ~]# yum install -y ipython